1)х=280+2+80=362
2)х=350+150+85=585
3)х=4352-2398-55=4352-2453=1899
4)х=7146•6-57=42819
6)х=900+638-286=900+352=1452
5)х=228:4-67=57-67=-10
7)х=1800+350-78=1800+272=2072
8)х=879-87•8=879-696=183
9)х=45-11-7=27
10)х=350-156+572=350+396=746
1)х=280+2+80=362
2)х=350+150+85=585
3)х=4352-2398-55=4352-2453=1899
4)х=7146•6-57=42819
6)х=900+638-286=900+352=1452
5)х=228:4-67=57-67=-10
7)х=1800+350-78=1800+272=2072
8)х=879-87•8=879-696=183
9)х=45-11-7=27
10)х=350-156+572=350+396=746